{"id":10400,"date":"2025-12-02T17:50:17","date_gmt":"2025-12-02T09:50:17","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/uml-use-case-diagram-capturing-functional-requirements-and-user-system-interactions\/"},"modified":"2026-04-14T18:57:47","modified_gmt":"2026-04-14T10:57:47","slug":"uml-use-case-diagram-capturing-functional-requirements-and-user-system-interactions","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/uml-use-case-diagram-capturing-functional-requirements-and-user-system-interactions\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng UML: Ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng"},"content":{"rendered":"<p>S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 h\u00e0nh vi trong<a href=\"https:\/\/www.cybermedian.com\/what-is-uml-and-why-does-it-still-important\/\">Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)<\/a> cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn tr\u1ef1c quan \u1edf c\u1ea5p \u0111\u1ed9 cao v\u1ec1 ch\u1ee9c n\u0103ng mong mu\u1ed1n c\u1ee7a h\u1ec7 th\u1ed1ng. N\u00f3 x\u00e1c \u0111\u1ecbnh<em>\u0111i\u1ec1u g\u00ec<\/em> h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch minh h\u1ecda m\u1ed1i quan h\u1ec7 gi\u1eefa ng\u01b0\u1eddi d\u00f9ng (Ng\u01b0\u1eddi tham gia) v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng h\u1ecd th\u1ef1c hi\u1ec7n (Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng).<\/p>\n<p><img alt=\"use case diagram example\" class=\"alignnone size-full wp-image-14272\" decoding=\"async\" height=\"468\" loading=\"lazy\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-Case-Diagram-Example.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-Case-Diagram-Example.png 566w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-Case-Diagram-Example-300x248.png 300w\" width=\"566\"\/><\/p>\n<p>S\u01a1 \u0111\u1ed3 n\u00e0y r\u1ea5t quan tr\u1ecdng trong giai \u0111o\u1ea1n thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch y\u00eau c\u1ea7u, v\u00ec n\u00f3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi v\u00e0 ph\u1ea1m vi c\u1ee7a h\u1ec7 th\u1ed1ng t\u1eeb g\u00f3c \u0111\u1ed9 kinh doanh.<\/p>\n<h2>1. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/h2>\n<p>S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t v\u00e0i th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng s\u01a1 \u0111\u1ed3 UML \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 \u0111\u1ecdc v\u00e0 t\u1ea1o ra.<\/p>\n<h3>A. Ranh gi\u1edbi H\u1ec7 th\u1ed1ng<\/h3>\n<p><img alt=\"system boundary of use case diagram\" class=\"alignnone size-full wp-image-14274\" decoding=\"async\" height=\"347\" loading=\"lazy\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-System-Boundary.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-System-Boundary.png 534w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-System-Boundary-300x195.png 300w\" width=\"534\"\/><\/p>\n<p>Ranh gi\u1edbi h\u1ec7 th\u1ed1ng l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt, tr\u1ef1c quan x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi c\u1ee7a h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t. M\u1ecdi th\u1ee9 b\u00ean trong h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng; m\u1ecdi th\u1ee9 b\u00ean ngo\u00e0i h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 b\u00ean ngo\u00e0i.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt l\u1edbn.<\/li>\n<li><strong>M\u1ee5c \u0111\u00edch:<\/strong> \u0110\u1ec3 r\u00f5 r\u00e0ng t\u00e1ch bi\u1ec7t tr\u00e1ch nhi\u1ec7m c\u1ee7a h\u1ec7 th\u1ed1ng kh\u1ecfi c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i (Ng\u01b0\u1eddi tham gia) t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3.<\/li>\n<\/ul>\n<h3>B. Ng\u01b0\u1eddi tham gia<\/h3>\n<p><img alt=\"actor of use case diagram\" class=\"alignnone size-full wp-image-14275\" decoding=\"async\" height=\"347\" loading=\"lazy\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-actor.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-actor.png 534w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-actor-300x195.png 300w\" width=\"534\"\/><\/p>\n<p>M\u1ed9t Ng\u01b0\u1eddi tham gia \u0111\u1ea1i di\u1ec7n cho b\u1ea5t k\u1ef3 th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng n\u00e0o t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee5c ti\u00eau. M\u1ed9t Ng\u01b0\u1eddi tham gia kh\u00f4ng<strong>kh\u00f4ng<\/strong>ph\u1ea3i l\u00e0 m\u1ed9t con ng\u01b0\u1eddi; n\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00e1c, m\u1ed9t thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n th\u1eddi gian c\u1ee5 th\u1ec3.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t h\u00ecnh ng\u01b0\u1eddi b\u1eb1ng que \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n v\u1edbi t\u00ean vai tr\u00f2.<\/li>\n<li><strong>\u0110\u1ecbnh ngh\u0129a:<\/strong> M\u1ed9t Ng\u01b0\u1eddi tham gia l\u00e0 m\u1ed9t<em>vai tr\u00f2<\/em>, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ng\u01b0\u1eddi c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, \u201cKh\u00e1ch h\u00e0ng\u201d l\u00e0 m\u1ed9t Ng\u01b0\u1eddi tham gia, trong khi \u201cJane Doe\u201d l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p c\u1ee7a vai tr\u00f2 \u0111\u00f3.<\/li>\n<li><strong>C\u00e1c lo\u1ea1i Ng\u01b0\u1eddi tham gia:<\/strong>\n<ul>\n<li><strong>Ng\u01b0\u1eddi tham gia ch\u00ednh:<\/strong> B\u1eaft \u0111\u1ea7u t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau mong mu\u1ed1n (v\u00ed d\u1ee5,<em>Kh\u00e1ch h\u00e0ng<\/em> b\u1eaft \u0111\u1ea7u m\u1ed9t giao d\u1ecbch mua h\u00e0ng).<\/li>\n<li><strong>Ng\u01b0\u1eddi d\u00f9ng ph\u1ee5:<\/strong> Cung c\u1ea5p d\u1ecbch v\u1ee5 cho h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5 nh\u01b0 <em>C\u1ed5ng thanh to\u00e1n<\/em>).<\/li>\n<li><strong>Ng\u01b0\u1eddi d\u00f9ng b\u1ecb \u0111\u1ed9ng:<\/strong> B\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng nh\u01b0ng kh\u00f4ng kh\u1edfi t\u1ea1o n\u00f3 (v\u00ed d\u1ee5 nh\u01b0 <em>H\u1ec7 th\u1ed1ng kho<\/em> nh\u1eadn th\u00f4ng b\u00e1o giao h\u00e0ng).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>C. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p><img alt=\"use cases of use case diagram\" class=\"alignnone size-full wp-image-14276\" decoding=\"async\" height=\"347\" loading=\"lazy\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-use-case.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-use-case.png 534w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-use-case-300x195.png 300w\" width=\"534\"\/><\/p>\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng duy nh\u1ea5t v\u00e0 \u0111\u1ea7y \u0111\u1ee7, ho\u1eb7c m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c h\u00e0nh \u0111\u1ed9ng mang l\u1ea1i gi\u00e1 tr\u1ecb \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng. Ch\u00fang n\u00ean \u0111\u01b0\u1ee3c di\u1ec5n \u0111\u1ea1t b\u1eb1ng c\u00e1c \u0111\u1ed9ng t\u1eeb v\u00e0 danh t\u1eeb \u0111\u01a1n gi\u1ea3n, ch\u1ee7 \u0111\u1ed9ng.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t h\u00ecnh elip \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong ranh gi\u1edbi h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>V\u00ed d\u1ee5:<\/strong> <em>\u0110\u1eb7t \u0111\u01a1n h\u00e0ng<\/em>, <em>\u0110\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n<\/em>, <em>X\u1eed l\u00fd ho\u00e0n ti\u1ec1n<\/em>, <em>T\u1ea1o b\u00e1o c\u00e1o<\/em>.<\/li>\n<li><strong>Quy t\u1eafc ch\u00ednh:<\/strong> M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng lu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o b\u1edfi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng v\u00e0 ph\u1ea3i mang l\u1ea1i k\u1ebft qu\u1ea3 c\u00f3 gi\u00e1 tr\u1ecb cho m\u1ed9t ho\u1eb7c nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<h2>2. C\u00e1c m\u1ed1i quan h\u1ec7 trong s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>C\u00e1c m\u1ed1i quan h\u1ec7 k\u1ebft n\u1ed1i ng\u01b0\u1eddi d\u00f9ng v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 k\u1ebft n\u1ed1i c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1edbi nhau, x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 logic lu\u1ed3ng.<\/p>\n<h3>A. M\u1ed1i quan h\u1ec7 giao ti\u1ebfp<\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1ed1i quan h\u1ec7 \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t, cho th\u1ea5y r\u1eb1ng m\u1ed9t ng\u01b0\u1eddi d\u00f9ng tham gia v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t \u0111\u01b0\u1eddng n\u00e9t li\u1ec1n n\u1ed1i t\u1eeb m\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn h\u00ecnh elip c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<li><strong>M\u1ee5c \u0111\u00edch:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1c ch\u1ee9c n\u0103ng n\u00e0o \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o ho\u1eb7c s\u1eed d\u1ee5ng b\u1edfi vai tr\u00f2 n\u00e0o.<\/li>\n<\/ul>\n<h3>B. M\u1ed1i quan h\u1ec7 Include (<code>&lt;&lt;include&gt;&gt;<\/code>)<\/h3>\n<p>M\u1ed1i quan h\u1ec7 <code>include<\/code>m\u1ed1i quan h\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi m\u1ed9t Use Case lu\u00f4n t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t Use Case kh\u00e1c. Use Case \u0111\u01b0\u1ee3c bao g\u1ed3m l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 Use Case c\u01a1 s\u1edf ho\u00e0n th\u00e0nh ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong>M\u1ed9t m\u0169i t\u00ean g\u00e3y t\u1eeb <strong>Use Case c\u01a1 s\u1edf<\/strong>\u0111\u1ebfn <strong>Use Case \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>, \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n l\u00e0 <code>&lt;&lt;include&gt;&gt;<\/code>.<\/li>\n<li><strong>C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00e1ch bi\u1ec7t h\u00e0nh vi chung t\u1eeb nhi\u1ec1u Use Case.\n<ul>\n<li><em>V\u00ed d\u1ee5:<\/em> <em>\u0110\u1eb7t h\u00e0ng<\/em> <strong>bao g\u1ed3m<\/strong> <em>X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng<\/em>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>C. M\u1ed1i quan h\u1ec7 Extend (<code>&lt;&lt;extend&gt;&gt;<\/code>)<\/h3>\n<p>M\u1ed1i quan h\u1ec7 <code>extend<\/code>m\u1ed1i quan h\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi m\u1ed9t Use Case c\u1ee5 th\u1ec3 (Use Case m\u1edf r\u1ed9ng) th\u00eam h\u00e0nh vi t\u00f9y ch\u1ecdn ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n v\u00e0o m\u1ed9t Use Case kh\u00e1c (Use Case c\u01a1 s\u1edf).<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong>M\u1ed9t m\u0169i t\u00ean g\u00e3y t\u1eeb <strong>Use Case m\u1edf r\u1ed9ng<\/strong> \u0111\u1ebfn <strong>Use Case c\u01a1 s\u1edf<\/strong>, \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n v\u1edbi <code>&lt;&lt;extend&gt;&gt;<\/code>.<\/li>\n<li><strong>C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>M\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi thay th\u1ebf, ngo\u1ea1i l\u1ec7 ho\u1eb7c \u0111\u1eb7c bi\u1ec7t. Vi\u1ec7c m\u1edf r\u1ed9ng ch\u1ec9 x\u1ea3y ra n\u1ebfu m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n.\n<ul>\n<li><em>V\u00ed d\u1ee5:<\/em> <em>X\u1eed l\u00fd thanh to\u00e1n<\/em> l\u00e0 Use Case c\u01a1 s\u1edf, v\u00e0 <em>\u00c1p d\u1ee5ng gi\u1ea3m gi\u00e1 th\u00e0nh vi\u00ean<\/em> <strong>m\u1edf r\u1ed9ng<\/strong> <em>X\u1eed l\u00fd thanh to\u00e1n<\/em> d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n <code>[n\u1ebfu tr\u1ea1ng th\u00e1i th\u00e0nh vi\u00ean l\u00e0 V\u00e0ng]<\/code>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>D. M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t h\u00f3a (K\u1ebf th\u1eeba)<\/h3>\n<p>M\u1ed1i quan h\u1ec7 n\u00e0y cho th\u1ea5y r\u1eb1ng m\u1ed9t Ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c m\u1ed9t Use Case l\u00e0 phi\u00ean b\u1ea3n chuy\u00ean bi\u1ec7t h\u00f3a c\u1ee7a m\u1ed9t ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c Use Case kh\u00e1c.<\/p>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t \u0111\u01b0\u1eddng li\u1ec1n v\u1edbi \u0111\u1ea7u m\u0169i t\u00ean tam gi\u00e1c r\u1ed7ng, h\u01b0\u1edbng t\u1eeb ph\u1ea7n t\u1eed chuy\u00ean bi\u1ec7t h\u00f3a \u0111\u1ebfn ph\u1ea7n t\u1eed t\u1ed5ng qu\u00e1t h\u01a1n.<\/li>\n<li><strong>C\u00e1ch s\u1eed d\u1ee5ng:<\/strong>\n<ul>\n<li><strong>Ng\u01b0\u1eddi d\u00f9ng:<\/strong> <em>Qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng<\/em> l\u00e0 t\u1ed5ng qu\u00e1t h\u00f3a c\u1ee7a <em>Ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u0103ng k\u00fd<\/em>.<\/li>\n<li><strong>Use Cases:<\/strong> <em>Thanh to\u00e1n b\u1eb1ng th\u1ebb t\u00edn d\u1ee5ng<\/em> l\u00e0 t\u1ed5ng qu\u00e1t h\u00f3a c\u1ee7a <em>X\u1eed l\u00fd thanh to\u00e1n<\/em>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>3. V\u00ed d\u1ee5 t\u1eebng b\u01b0\u1edbc: M\u1ed9t n\u1ec1n t\u1ea3ng h\u1ecdc t\u1eadp tr\u1ef1c tuy\u1ebfn<\/h2>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u00f4 h\u00ecnh h\u00f3a ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a m\u1ed9t n\u1ec1n t\u1ea3ng h\u1ecdc t\u1eadp tr\u1ef1c tuy\u1ebfn.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>Lo\u1ea1i<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<tr>\n<td><strong>H\u1ecdc vi\u00ean<\/strong><\/td>\n<td>Ng\u01b0\u1eddi tham gia<\/td>\n<td>Vai tr\u00f2 ng\u01b0\u1eddi d\u00f9ng ch\u00ednh.<\/td>\n<\/tr>\n<tr>\n<td><strong>Gi\u1ea3ng vi\u00ean<\/strong><\/td>\n<td>Ng\u01b0\u1eddi tham gia<\/td>\n<td>T\u1ea1o v\u00e0 qu\u1ea3n l\u00fd n\u1ed9i dung.<\/td>\n<\/tr>\n<tr>\n<td><strong>Tham gia kh\u00f3a h\u1ecdc<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a h\u1ecdc vi\u00ean.<\/td>\n<\/tr>\n<tr>\n<td><strong>Xem ti\u1ebfn \u0111\u1ed9<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>M\u1ed9t ch\u1ee9c n\u0103ng c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi h\u1ecdc vi\u00ean.<\/td>\n<\/tr>\n<tr>\n<td><strong>X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>B\u01b0\u1edbc b\u1eaft bu\u1ed9c chung cho c\u1ea3 hai ng\u01b0\u1eddi tham gia.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ea1o kh\u00f3a h\u1ecdc<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a gi\u1ea3ng vi\u00ean.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ea1o ch\u1ee9ng ch\u1ec9 ho\u00e0n th\u00e0nh<\/strong><\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>Ch\u1ee9c n\u0103ng t\u00f9y ch\u1ecdn m\u1edf r\u1ed9ng<em>Tham gia kh\u00f3a h\u1ecdc<\/em>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>M\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng<\/h3>\n<ol>\n<li><strong>Bi\u00ean gi\u1edbi h\u1ec7 th\u1ed1ng:<\/strong>V\u1ebd m\u1ed9t h\u1ed9p l\u1edbn bao quanh t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<li><strong>\u0110\u01b0\u1eddng s\u1ed1ng:<\/strong>\u0110\u1eb7t <strong>Sinh vi\u00ean<\/strong> v\u00e0 <strong>Gi\u1ea3ng vi\u00ean<\/strong>c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i h\u1ed9p.<\/li>\n<li><strong>Giao ti\u1ebfp:<\/strong>K\u1ebft n\u1ed1i <strong>Sinh vi\u00ean<\/strong>v\u1edbi <em>Tham gia kh\u00f3a h\u1ecdc<\/em> v\u00e0 <em>Xem ti\u1ebfn \u0111\u1ed9<\/em>. K\u1ebft n\u1ed1i <strong>Gi\u1ea3ng vi\u00ean<\/strong>v\u1edbi <em>T\u1ea1o kh\u00f3a h\u1ecdc<\/em>.<\/li>\n<li><strong>Bao g\u1ed3m:<\/strong> <em>Tham gia kh\u00f3a h\u1ecdc<\/em> v\u00e0 <em>T\u1ea1o kh\u00f3a h\u1ecdc<\/em>\u0111\u1ec1u k\u1ebft n\u1ed1i v\u1edbi <em>X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng<\/em>tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1edbi <code>&lt;&lt;bao g\u1ed3m&gt;&gt;<\/code>m\u0169i t\u00ean, v\u00ec \u0111\u0103ng nh\u1eadp l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u1ea3 hai.<\/li>\n<li><strong>M\u1edf r\u1ed9ng:<\/strong> C\u00e1i <em>T\u1ea1o ch\u1ee9ng nh\u1eadn ho\u00e0n th\u00e0nh<\/em> Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i v\u1edbi <em>Tham gia kh\u00f3a h\u1ecdc<\/em> v\u1edbi m\u1ed9t <code>&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code> m\u0169i t\u00ean, cho th\u1ea5y n\u00f3 ch\u1ec9 x\u1ea3y ra trong \u0111i\u1ec1u ki\u1ec7n <code>[sau khi kh\u00f3a h\u1ecdc ho\u00e0n th\u00e0nh 100%]<\/code>.<\/li>\n<\/ol>\n<p><img alt=\"use case diagram example of Online Learning Platform\" class=\"alignnone size-full wp-image-14278\" decoding=\"async\" height=\"388\" loading=\"lazy\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-diagram-example-1.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-diagram-example-1.png 559w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Use-case-diagram-example-1-300x208.png 300w\" width=\"559\"\/><\/p>\n<h2>T\u00f3m t\u1eaft<\/h2>\n<p>S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a m\u1ea1nh m\u1ebd nh\u01b0ng \u0111\u01a1n gi\u1ea3n, t\u1eadp trung v\u00e0o <strong>y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng<\/strong> v\u00e0 <strong>g\u00f3c nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong>. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c t\u00e1c nh\u00e2n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 ranh gi\u1edbi h\u1ec7 th\u1ed1ng, b\u1ea1n \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan\u2014t\u1eeb c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh \u0111\u1ebfn c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n\u2014\u0111\u1ec1u c\u00f3 c\u00f9ng m\u1ed9t hi\u1ec3u bi\u1ebft r\u00f5 r\u00e0ng, kh\u00f4ng m\u01a1 h\u1ed3 v\u1ec1 <em>\u0111i\u1ec1u g\u00ec<\/em>h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m g\u00ec. N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho c\u00e1c m\u00f4 h\u00ecnh h\u00e0nh vi chi ti\u1ebft h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u01a1 \u0111\u1ed3 Chu\u1ed7i.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 UML v\u00e0 c\u00e1ch AI gi\u00fap b\u1ea1n tr\u1ef1c quan h\u00f3a n\u00f3, h\u00e3y kh\u00e1m ph\u00e1 <a href=\"https:\/\/www.cybermedian.com\/the-definitive-guide-to-the-unified-modeling-language-uml\/\">trung t\u00e2m t\u00e0i nguy\u00ean UML<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 h\u00e0nh vi trongNg\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)<\/p>\n","protected":false},"author":5,"featured_media":10401,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u1ecdc s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng, c\u00e1c t\u00e1c nh\u00e2n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.","_yoast_wpseo_metadesc":"Learn the UML Use Case Diagram to capture functional requirements. Define system boundaries, actors, use cases, and relationships.","footnotes":""},"categories":[3],"tags":[],"class_list":["post-10400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u1ecdc s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng, c\u00e1c t\u00e1c nh\u00e2n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.<\/title>\n<meta name=\"description\" content=\"Learn the UML Use Case Diagram to capture functional requirements. Define system boundaries, actors, use cases, and relationships.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/vn\/uml-use-case-diagram-capturing-functional-requirements-and-user-system-interactions\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ecdc s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng, c\u00e1c t\u00e1c nh\u00e2n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.\" \/>\n<meta property=\"og:description\" content=\"Learn the UML Use Case Diagram to capture functional requirements. 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